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Finding the Fourth Proportional to 117,008.05, 175,512.08 and 112,087.30

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Solution

The fourth proportional to 117,008.05, 175,512.08 and 112,087.30 is: 168,130.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,008.05 : 175,512.08 = 112,087.30 : x
  2. Step 2: Convert to fraction form
    117,008.05/175,512.08 = 112,087.30/x
  3. Step 3: Cross multiply
    117,008.05x = 175,512.08 × 112,087.30
  4. Step 4: Simplify right side
    117,008.05x = 19,672,675,164.58
  5. Step 5: Solve for x
    x = 19,672,675,164.58/117,008.05
  6. Step 6: Final answer
    x = 168,130.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.